Unit Circle (version B)

A) √3/2
B) 1
C) π
D) √2/2
E) r

A) theta
B) y
C) x
D) 1
E) r

A) 2π
B) π
C) 1
D) 180
E) 360

A) y
B) theta
C) 1
D) x
E) r

5. The magnitudes of the maxima and minima of the unit circle's sine and cosine are the same.

A) Neither
B) false
C) true
D) Can't be determined

A) 0 to 360
B) 0 to 2π
C) -1 to 1
D) -infinity to +infinity

A) neither 90 nor 270 degrees
B) both 90 and 270 degrees
C) 90 degrees
D) both 0 and 180 degrees
E) 270 degrees

A) 180 degrees
B) 270 degrees
C) 90 degrees
D) 0 degrees

9. For the unit circle, if I translate the sine curve XXX radians, it will be in the same position as the cosine curve.

A) -π
B) π
C) π/2
D) -π/2
E) 2π

A) 1/2
B) 1
C) -√2/2
D) √2/2
E) 0

A) 45
B) 1/2
C) √3/2
D) -√2/2
E) √2/2

A) -330 degrees
B) -30 degrees
C) -390 degrees
D) 330 degrees

A) -1
B) 0
C) 1
D) √3/2
E) 1/2

A) 3π radians
B) 3π/2 radians
C) 1/2 radians
D) -π radians
E) 2π radians

A) 135 degrees
B) 45 degrees
C) 315 degrees
D) 225 degrees
E) 3π/2 radians

A) III
B) II
C) IV
D) I
E) never

A) π
B) 2π
C) 3π/2
D) 3π
E) π/2

18. One cycle of the sine and cosine curve from the unit circle have the same period.

A) False
B) True
C) Can't be determined
D) Neither

A) π/2 radians
B) 3π/2 radians
C) 2π radians
D) 90 degrees

20. The cosine function is positive and the sine function is negative in quadrant

A) I
B) IV
C) III
D) III

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